Jet-pump apparatus.



W. E. WOLLHEIM. JET PUMP APPARATUS. APPLICATION FILED MAY 12, 1914.

Patented Sept. 22, 1914.

\ 1 6 5 \w w I w Q N m R w w w 1 K I m N ls N RN E Q 1 w N P .I. a \N THE NORRIS PETERS c0, PHOTO-LITHQ. WASHINGTON. u. I

'1 1mm, acitizen of the United States, residing l Vat New Yorlnin the county of the Bronx vBe "it known that I; WAiITER E. WOLL- and State of New-York, have invented certain new and useful Improvements in ilet Pump Apparatnsfof fwhich the iollowing is j ya specification.

struct such apparatus as to "necessitate a ing" the instrument, this valve perforn ing a steam control and'f alsof water check as will hereinafter be" setforth the function of single valve to be employed in; opera;

1 more fully in detail."

In the acco' np anying drawings which "fillustrate iny 'inventioli F g i e shows central longitudinal section, part of. the op jerating valve being shown inf elevation and the apparatus in the working position; Fig.

2 shows a similar section, the V apparatus,

howevenfi'bein'g shown at restq v I Llke' characters of reference indloatecor- "*i'espondingparts.

f1 is a main caslng'having on-one, side 7 1 intoltwo' parts by a bridgeseparating a raised-{15 M510 of bridge of S eam nozzle 8 is, of

Lower end 11 v srnallergcylindrical" shap'e',fladapted to fric- "{tionallfengagewith a corresponding bore? 1 through bridge 5; and also 'with another.bore ,"i12 through the lowenwall ofwater chamber 7 Interior of "steam nozzle8*is 1provided 1 1 Application filed my 12, 1914. a Serial n saaiea s pp y P p ith 'an j ontwardly diverging --tapered bore :13 and ports" 14. afiording lrnjeans of com'muy wannawbnmmzbmswwm N Y.- As amese an tem ,m li i -i.

{EURING COMPAN Y,-

YORK, NQYi, ACORPOBATI ON OF NEW V JET-PUMP nPPARATns.

Specification of Letters Patent Patented S t; 14

upperlpart of casing'l. On the "top lio'f branch 2 is arranged a=thicke'ned portion bymeans'of pin 21 and by means of a' simifi la rl fpin' 2'3""to the end of anoperating lever M '24l flo upper end of stein-18 is attached a i This invention relates to etpumpappa- :ifatns'and particularly to thatLclass nsed for fwetting thecoal in the tender of atloomotive or similar purposes and it the'par j 'ticill'ar" object of my invention to so icon link 25 which is connected the operating lever-24 at a point intermediate its end and ope'rating handleeeby means "Ora suitablei in: 27'.-- Into the lowerend of casing 1 and alinement with the steam nozzle 8 is "screwed axdelivery nozzle '28-. The exterior of delivery "nozzle 28 isl'provided with' corrugations 29 to-faoilitate'the attaching offli asprinklinghoSe thereto. In the upper wall ofwater chamber 7, adjacent to steamehainv p ,ber"6,is arranged a thickened portion 30 Various oth ob ects "willappear' fin the following specification in l which a preferred fornfof my jet pnmp apparatiisis disclosed.-

provided with ahole 31 adapted to receive a bolt or similar means to secure'the instruI-G r WENT OFFICE. I ;j

through a stnfiing box -19, screwed into the -20,pro vided with a bore to receive apin21. A =fulcrum bar 22isconnected to the casing 'i' nent to a suitablebrace. Oneside of the water chamber 7 terminates; in""an elbow branch" 32 whichf 'i's threaded externally '1 adapted to receive afcoupling nut 33 and :pipe sleeve 3 1101" connection to the water The apparatus,

means of-a boltpassingthrongh hole 31.

whenjito be usedfor coal i sprlnkllng or similar pnrposes, isnsually 'mou'nted to the backhead ofy'the boiler by T Steam pipeis connected directly to the boiler and the water pipe generally to the water supply pipe ofthe injector.- The operation-of mydevice is as follows:

soona s" the steam nozzle *8: is pulled ofi its seat and tot-he position shown in Fig. 1,

stearnis admitted through ports 14 into the interioroffsteamnozzle "8', whence it passes thronghbpeiiing.12(a1id the delivery nozzle 1 28.-"1Th1scr'eatesa vacuum, in the "waterchamber '7 which' together with'the atinospheric pressure on thewat er in the water tank forces the wateriinto thechamber 7, whence it is drawn into the delivery nozzle,

and discharged from the "app'airatns. K'The" lower portion 11' of s'tea nifl nozzle 8 having a" I riot, ofth'e steainlnozzlgbut must passto the v sliding piston fit item readily be I seen that steam cannot .pass around the e'Xte- ,the se at'for the steam nozzle 8*,"isl to provide sp for @wm iQe "ofim ties as 1r lower end ofsteam; nozzle 8 frict onallyen- I @2511 -What I claim as new is:

level of the water in the tender or other source of water supply, it isofi utmost im- 1-portance that the instrument "be provided -with means whichbfiectively prevent the wast'e'of water at thedischargeend, This is accomplished asclearly illustrated in: Fig. 2, which shows the apparatus atrest, bythe gaging the. sides of bore 12 through the" lower wall of water chamber 7,'thereb'y; Sealing the. outlet of the water chamber. Ihis also pre- L olgvents the blowing out of steam throng-lithe. 7' discharge nozzle 28 ,,should the injector be...

I used as a heater and steam blown through the water supply pipe ofthe injector to the;

\ tender.

1. In a jet pump apparatus having "a" steam chamber and a; water chamber and respective supply" connections thereto,- a

5 steam nozzle v adapted to control the admis- 'goiSlOIl of steam to its. interior, and means combination and concentric with said'stea m nozzlefor sealing the outlet of said water chamber, when said apparatus is at rest.

2. In a jet pump apparatus having a agjisteam chamber and a water chamber and respeotive supply connections thereto, an actuating device adapted to reciprocate a steam :nozzle in line of its longitudinal aXi's, said 'steam nozzle, being adapted to controlthe. 0 jadmission of steamto its interior, and means in combination with said steam nozzle for sealing the outlet of .said water chamber, when the apparatus is at'rest. Y H 3.111 a jet pump apparatus having a steam chamber and a water chamber and respective supply connections thereto, a steam nozzle adapted tobe reciprocated in line of ;its longitudinal axis and to control-the adgmission of steam to its interior, and means seal the outlet ofsaidwater chamber, when the apparatus is at rest. j

- 4L In a jet. pump apparatus having a j I steam chamber and awater chamber and re- 'spective supply connections thereto, an actu- Y ating deviceadaptejd to. reciprocate asteam' 1 "nozzle in-, line"oi i its longitudinal axis, said.

:s'team' nozzle being adapted: to. control the admission of steam'to its interior and its lower end being piston shaped and; adapted to close two coaxial bores in opposite'Lwalls of said water chan lberv andin alinemenjtwith a dischargenoz'zle, when theapparatus is at 5. In a jet pump apparatus havingfa' steam chamber and a water chamb steam nozzle comprising a larger upper and.

' ..7 7.. In, a "jet. pump' apparatus a integral with. said steam'nozzle, adapted to er andr'espective sup ly connectionsthretliii ec'tuating device ada'tedmreciprtcate asteam. v nozzle in line 0 its longitudinal axis, said O a smaller lower portion, its larger upper 7 portion being adapted to control the admission of .steamtto. the interiorof; said steam nozzle and its smaller lower portion being arranged to sealthe outlet-of said-water ehamber when theapparatusfis at rest.

"6. In a jet pump apparatus having a steam chamber and a;water,chamb.er"and respective supply connections thereto, Jan

actuatingldevice. adapted .to reciprocate a' steam nozzle in line of 'its; longitudinal axis, said steam nozzle co1npr1s1ng ajlarger upper and asmaller lower portion, itslarger -upper I portion forming a steamtight 7 seat; fon;;a I bridge separating said steam and fwaterf" chambers and its smallerlower I portion be T 'ing iston shaped and. adaptedto I'seal the outlet of said water. chamberlwh'en the. ppa .ratu s is at rest.

steam. chamber. and a water chamber and-respective supply. connections thereto, an ac 1 tuating device adapted to reciprocate, a

steam nozzle in line of its longitudinalaiiis,

said steam nozzle comprising a larger, upper 9 and a smaller lowerportion, its larger upper portionfforming a fs'teamtight'fseatf on a \"bridge separating ..said:isteam andfwater chambers and its smaller lower portion be-J ing provided with an interior'outwardlydi verging bore and '[ports through the upperpart and theinterior bore-of said [smaller lower portion, said-Y smaller :lower portion being ,pistonls'llapdf and adapted i0 Seal the paratusis at.rest.

V 8. -I n a .jet'. apparatus having. a steam chamber and a water chamber and respective supply connections theret fl jan actuating-device adapted to reciprocate a no steam nozzle in line of itslongitudinal axis", said steainnozzle comprising alargerl'iipper outlet of said wat'erv chamberv wherlgtliepap and smaller lower portiongits larger upper I portlon bein'gadapted to..=form a steamtight;..{

seat on a} bridg'epseparating said steamfand ..11' 5 water chambers and its smaller lower 'port-1on being provided with an interior out-;

Wardly divergingbore and portsthroughthe upper part and the interior :bore of said;

smaller lower.:portionfsaid' smallrfllower portionbeing -piston shaped and adapted-to close twocoaxial boresin opposite wallsjof said watenchamber and in alinement withla discharge nozzle, when the. apparatus ,is at; re t; i r

9.;Inq'aijefi Pump/apparatus having a" steam; chamber. and a water chan iber"and re'spective,"sup.ply ,conne'ctions' thereto,j. an

.actuating' devicepadaptedjto (reciprocate a; v steam nozzle lnline ofit's" longitudinal aids,

said steam nozzle comprising a larger upper and a smaller lower portion, itslarger upper portion being adapted to form a steamtight.

seat on a bridge separating said steam and 1 water chambers andits smaller lower portion being provided with an interior out wardlydiverging bore and ports through the upper part andthe interior bore of sald smaller lower portion, said ports being in rest.

10. In a jet pump apparatus hayinga steam chamber and a water chamber and respective supply connections thereto, an

actuating device adapted :to reciprocate a steam nozzle in line-of its longitudinal axis,-

said steam nozzlecomprising a larger upper anda smaller'lower portion, its larger upper portion being'adapted to form a steamtight seat on a brldge separating said steam and water chambers, an annular recess in said bridge, below and inside of the seat; ortion of saidsteam nozzle, ports throng smaller lower portion of the steam nozzle in register with said annular recess passing crosswise through the upsaid perpart of said smaller lower portion of the steam nozzle and connecting with an outwardly diverging bore through the interior-of said lower portion of, the steam nozzle,the exterior of said lower portion being piston shaped and adapted to frictionally-and slidably engage a bore through said bridge, below said annular recess, and to close another bore in the lower wall of the water chamberandin alinement with a discharge nozzle, when the apparatus is at rest. In testimony whereof I have hereunto set my hand. in presence of two subscribing witnesses. a a H WALTEREWOLLHEIM. Witne'sses;

LEOPOLD KAssANDER,

CHARLES A. SoHwARz. a

copies of thll patent may be obtained for five eenti each, byeddreesin: the commissioner of ratentl, i y Washington, D. 0.? 

